import { alias } from "@ember/object/computed";
import { inject } from "@ember/controller";
import Controller from "@ember/controller";
import DiscourseNavigation from "discourse/components/d-navigation";

// Just add query params here to have them automatically passed to topic list filters.
export const queryParams = {
  order: { replace: true, refreshModel: true },
  ascending: { replace: true, refreshModel: true },
  status: { replace: true, refreshModel: true },
  state: { replace: true, refreshModel: true },
  search: { replace: true, refreshModel: true },
  max_posts: { replace: true, refreshModel: true },
  q: { replace: true, refreshModel: true },
  tags: { replace: true },
  before: { replace: true, refreshModel: true },
  bumped_before: { replace: true, refreshModel: true }
};

// Basic controller options
const controllerOpts = {
  discoveryTopics: inject("discovery/topics"),
  queryParams: Object.keys(queryParams)
};

// Aliases for the values
controllerOpts.queryParams.forEach(
  p => (controllerOpts[p] = alias(`discoveryTopics.${p}`))
);

const SortableController = Controller.extend(controllerOpts);

export const addDiscoveryQueryParam = function(p, opts) {
  queryParams[p] = opts;
  const cOpts = {};
  cOpts[p] = alias(`discoveryTopics.${p}`);
  cOpts["queryParams"] = Object.keys(queryParams);
  SortableController.reopen(cOpts);

  if (opts && opts.persisted) {
    DiscourseNavigation.reopen({
      persistedQueryParams: queryParams
    });
  }
};

export default SortableController;